Finding the Fourth Proportional to 809,518.08, 1,214,055.42 and 304,039.95
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Solution
The fourth proportional to 809,518.08, 1,214,055.42 and 304,039.95 is: 455,976.66
Step by Step Solution
- Step 1: Write the proportion equation
809,518.08 : 1,214,055.42 = 304,039.95 : x - Step 2: Convert to fraction form
809,518.08/1,214,055.42 = 304,039.95/x - Step 3: Cross multiply
809,518.08x = 1,214,055.42 × 304,039.95 - Step 4: Simplify right side
809,518.08x = 369,121,349,194.03 - Step 5: Solve for x
x = 369,121,349,194.03/809,518.08 - Step 6: Final answer
x = 455,976.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.